A woman's mummified body has been discovered in her home six years after her death in the U.S.

Authorities in Oakland County, Michigan, believe the woman is Pia Farrenkopf, who has not been heard from since 2008.

Farrenkopf had stopped working that year, so she had no coworkers or employers looking for her. A neighbor trimmed her lawn, her mail was sent to the post office and she had no family nearby.

Farrenkopf also had set up her bank account so that her bills were paid automatically. It was only after her bank account was empty and the bills for her house went unpaid that her body was discovered by a worker sent by the bank to repair her foreclosed home.

Authorities say the woman's body was discovered sitting in the back seat of her car that was parked in the garage. The key was halfway in the ignition.